If there is less space for natural ecosystems, then may happen to plants and animals living in those ecosystems. *

the first person will be the brainliest

the correct answer is: b. pantala flavescens, because these organisms would have a high level of genetic variation due to sexual reproduction.  

because involves two organisms (parents) whose genetic material combines, sexual reproduction leads to genetic variation in new generations of offspring. the offspring is an unique organism, with new genome, more protected with the higher ability to adapted. this process is fundamental to evolution.

i think the answer is composed of atoms

the answer u all are looking for is 4000000000000000000000 million years.